63699714441216 has 576 divisors, whose sum is σ = 225082271232000. Its totient is φ = 17408461897728.

The previous prime is 63699714441191. The next prime is 63699714441247. The reversal of 63699714441216 is 61214441799636.

It is a happy number.

63699714441216 is a `hidden beast` number, since 6 + 3 + 69 + 9 + 7 + 1 + 444 + 121 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 569714085 + ... + 569825883.

It is an arithmetic number, because the mean of its divisors is an integer number (390767832000).

Almost surely, 2^{63699714441216} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63699714441216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112541135616000).

63699714441216 is an abundant number, since it is smaller than the sum of its proper divisors (161382556790784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63699714441216 is an equidigital number, since it uses as much as digits as its factorization.

63699714441216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111872 (or 111834 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 63.

The spelling of 63699714441216 in words is "sixty-three trillion, six hundred ninety-nine billion, seven hundred fourteen million, four hundred forty-one thousand, two hundred sixteen".